347223120 has 80 divisors (see below), whose sum is σ = 1080680832. Its totient is φ = 92224000.

The previous prime is 347223053. The next prime is 347223127. The reversal of 347223120 is 21322743.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347223127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60370 + ... + 65870.

Almost surely, 2^347223120 is an apocalyptic number.

347223120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 347223120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540340416).

347223120 is an abundant number, since it is smaller than the sum of its proper divisors (733457712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

347223120 is a wasteful number, since it uses less digits than its factorization.

347223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780 (or 5774 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 347223120 is about 18633.9239023884. The cubic root of 347223120 is about 702.8611601897.

Adding to 347223120 its reverse (21322743), we get a palindrome (368545863).

The spelling of 347223120 in words is "three hundred forty-seven million, two hundred twenty-three thousand, one hundred twenty".